A hand drawing the ARIO pack out of a trouser pocket
ARIO / Energy gum

Whereveryou go.

Energy gum · 40mg caffeine · 50mg L-theanine · 8 pieces per starter pack
ARIO Energy Gum

Energyyou can chew.

What's in it

Four keyingredients.

In every piece: caffeine and L-theanine, the pair found together in tea leaves, with vitamins B3 and B12.

01Natural caffeinePer piece40mg

An espresso holds around 63mg. A brewed coffee, around 96. Forty is closer to a cup of black tea.

02L-theanineThe tea half50mg

An amino acid from tea leaves. Tea gives you caffeine and L-theanine together. Coffee gives you caffeine alone. ARIO keeps the pair.

03NiacinVitamin B3B3

A factor in energy metabolism.Centre for Food Safety · acceptable nutrient function claim

04CobalaminVitamin B12B12

Aids in red blood cell formation.Centre for Food Safety · acceptable nutrient function claim

Arctic Mint.

One flavour. Perfectly crafted. Sugar-free.

0g
sugar
3
calories
2g
a piece
03 · Why gum

Why choosegum.

CoffeeEnergy drinkARIO CostHK$3.73a piece HK$34–43a cupHK$14–21a can Sugar0gsugar-free Oftenmilk & sugarOftenregular cans Calories3a piece 0–190black to latte0–250per can TimeReadyin your pocket Queueorder, waitFind a shopand a fridge Inside40mgcaffeine50mgL-theanine ≈96mgcaffeine, a cup80–160mgcaffeine, a can CarryA pack8 pieces · 16g A cupA can

One piece: about half the caffeine of a brewed coffee (≈96mg).

Prices: café menus in Central; 7-Eleven, Wellcome and ParknShop shelves, October 2026. Caffeine: brewed coffee ≈96mg a cup (USDA); Red Bull 250ml 80mg, Monster 500ml 160mg (labels). Calories: typical published values (a tall latte about 190; a 500ml Monster about 230–260; sugar-free cans near 0). ARIO: HK$149 for 40 pieces; 3 calories a piece, as printed on the pack.

A hand holding the ARIO pack in an office overlooking Victoria Harbour A hand holding the ARIO pack in a busy university study room A hand holding the ARIO pack in a Hong Kong gym before a workout A hand holding the ARIO pack on a club dance floor at night
01 / 04

The office.

Hours at a desk, and the afternoon drags. No cup to fetch.Two pieces: 80mg caffeine, 100mg L-theanine.

02 / 04

Exam week.

Long days of studying. Sugar-free, and easy to keep at your desk.One piece: 40mg caffeine, 50mg L-theanine.

03 / 04

Before the gym.

Training after work, or before a match. Nothing to drink, nothing to mix.One piece: 40mg caffeine, 50mg L-theanine.

04 / 04

Out late.

A night out. Sugar-free, and small enough for any pocket.One piece: 40mg caffeine, 50mg L-theanine.

05 · The mechanism

Two routes in.A drink has one.

Caffeine chewed in gum reaches the blood two ways. Some crosses the lining of the cheek within about ten minutes. The rest is swallowed and absorbed through the stomach.

Chewing gum10 · 45 min
Through the cheek at ten minutes. Then the rest of it through the stomach.
Coffee45 min
Stomach only. Thirty to a hundred and twenty minutes, around forty-five on average.
Capsule84–120 min
Stomach only, and still climbing at ninety minutes.
0306090120
Minutes after taking it

Around 80% of the caffeine is released in the first five minutes of chewing, and 96% by ten.

Morris et al. 2019 · Kamimori et al. 2002 · Alsabri et al. 2018. Findings from published studies, not a promise about ARIO.

06 · FAQ

Questions.

What is in it?

40mg natural caffeine, 50mg L-theanine, Vitamin B3 and B12 per piece.

How much caffeine?

40mg a piece. Two pieces is 80mg.

Is there sugar?

No. ARIO is sugar-free.

How many calories?

3 per piece.

What do I get for HK$149?

A bulk pack: five starter packs of eight pieces, 40 pieces and 80g net. That is HK$3.73 a piece.

How many pieces are in a starter pack?

Eight, 16g net.

How should I chew it?

One piece at a time, thoroughly, for 5 to 10 minutes.

How many can I have in a day?

Up to 8 pieces a day.

Who should avoid it?

Children, pregnant women, and anyone sensitive to caffeine.

Where is it made?

Dalian, China.

When can I order?

Join the waitlist. We will email you the day orders open.

Can I return it?

Unopened packs, within 14 days.

Ingredients: sorbitol, gum base, xylitol, maltitol syrup, guarana extract (caffeine), L-theanine, gum arabic, calcium carbonate, sunflower lecithin, natural flavors, sucralose, vitamin B3, vitamin B12, carnauba wax.

Not for children, pregnant women, or anyone sensitive to caffeine. Do not swallow.

Coming soon to Hong Kong

Don't missthe first run.

The first run is 400 bulk packs. Join the waitlist for early access, 24 hours before it opens to everyone.

At launch: a bulk pack of five starter packs, 40 pieces, HK$149. The first 400 on the list also get a one-time 15% code.

ARIO Energy starter pack
ARIO Energy bulk pack: five starter packs, 40 pieces

We use your email only to tell you about ARIO's launch and related news. It is voluntary, we never sell it, and every email has an unsubscribe link. Joining is free and is not an order.

You'reon the list.

We'll email you the day ARIO opens for orders. Know someone who'd want it? Send them the link.

№ 001 · Energy · Arctic Mint

8 pieces in a pack,5 packs in a box.

ARIO Energy, Arctic Mint, 8 pieces
Back soon
↗ Notify me

40mg natural caffeine · 50mg L-theanine · Sugar-free

Forty pieces of Arctic Mint. Each one: 40mg natural caffeine, 50mg L-theanine, vitamins B3 and B12. Sugar-free. Absorbed through the cheek as well as the stomach — two routes in, where a drink has one.

HKD 149 · Box of five · 80g

See how it works
01
40mg natural caffeine
02
50mg L-theanine
03
B3Niacin
04
B12Cobalamin
ARIO
№ 001 — Energy · Arctic Mint · 5-Pack

8 pieces in a pack,
5 packs in a box.

Forty pieces of Arctic Mint. Each one: 40mg natural caffeine, 50mg L-theanine, vitamins B3 and B12. Sugar-free. Absorbed through the cheek as well as the stomach — two routes in, where a drink has one.

The clean, easy way to energy.

HKD 149 · Box of five · 80g

ARIO Energy, Arctic Mint, 8 pieces
15:00 · 27.4° · 1.93×
01
40mg natural caffeine
02
50mg L-theanine
03
B3Niacin
04
B12Cobalamin
The mechanism

Two routes in.A drink has one.

Caffeine chewed in gum reaches the blood two ways. Some crosses the lining of the cheek within about ten minutes. The rest is swallowed and absorbed through the stomach.

Chewing gum 10 · 45 min
Through the cheek at ten minutes. Then the rest of it through the stomach.
Coffee 45 min
Stomach only. Thirty to a hundred and twenty minutes, around forty-five on average.
Capsule 84–120 min
Stomach only, and still climbing at ninety minutes.
0306090120
Minutes after taking it

Around 80% of the caffeine is released in the first five minutes of chewing, and 96% by ten.

Morris et al. 2019 · Kamimori et al. 2002 · Alsabri et al. 2018
The mechanism

Two routes in.
A drink has one.

Caffeine chewed in gum reaches the blood two ways. Some crosses the lining of the cheek within about ten minutes. The rest is swallowed and absorbed through the stomach.

A coffee has only the second route. Caffeine from a drink peaks between 30 and 120 minutes, around 45 on average. A capsule takes 84 to 120.

Around 80% of the caffeine is released in the first five minutes of chewing, and 96% by ten.

Morris et al. 2019 · Kamimori et al. 2002 · Alsabri et al. 2018
~10 minGum, first appearance through the cheek. No swallowed form has this route.
30–120 minA drink's peak, ~45 on average. Stomach only.
84–120 minA capsule's peak. Stomach only.
Chewing gum Coffee Capsule
PLASMA CAFFEINE · RELATIVE 0 0 15 30 45 60 75 90 MINUTES AFTER TAKING IT 10 MIN VIA THE CHEEK 45 MIN VIA THE STOMACH PEAKS 84–120 MIN
Why gum

Why choosegum.

CoffeeEnergy drinkARIO CostHK$3.73a piece HK$34–43a cupHK$14–21a can Sugar0gsugar-free Oftenmilk & sugarOftenregular cans Calories3a piece 0–190black to latte0–250per can TimeReadyin your pocket Queueorder, waitFind a shopand a fridge Inside40mgcaffeine50mgL-theanine ≈96mgcaffeine, a cup80–160mgcaffeine, a can CarryA pack8 pieces · 16g A cupA can

One piece: about half the caffeine of a brewed coffee (≈96mg).

Prices: café menus in Central; 7-Eleven, Wellcome and ParknShop shelves, October 2026. Caffeine: brewed coffee ≈96mg a cup (USDA); Red Bull 250ml 80mg, Monster 500ml 160mg (labels). Calories: typical published values (a tall latte about 190; a 500ml Monster about 230–260; sugar-free cans near 0). ARIO: HK$149 for 40 pieces; 3 calories a piece, as printed on the pack.

What's in it

Four things. And mint.

Nothing here needs a promise attached to it. The ingredients are interesting on their own.

01 Natural caffeinePer piece 40mg

An espresso holds around 63mg. A brewed coffee, around 96. Forty is closer to a cup of black tea.

02 L-theaninePer piece 50mg

It occurs in tea, and in one mushroom — the bay bolete. Essentially nowhere else in food. A cup of gyokuro holds 40 to 60mg.Identified 1949 · isolated from gyokuro 1950

03 NiacinVitamin B3 B3

A factor in energy metabolism.Centre for Food Safety · acceptable nutrient function claim

04 CobalaminVitamin B12 B12

Aids in red blood cell formation.Centre for Food Safety · acceptable nutrient function claim

Arctic Mint doesn't cool anything.

Menthol binds a receptor that reports cold. Nothing about your mouth actually gets colder — the nerve simply says it did.TRPM8 · identified 2002

What's in it

Four things. And mint.

Nothing here needs a promise attached to it. The ingredients are interesting on their own.

01
Natural caffeinePer piece
40mg
An espresso holds around 63mg. A brewed coffee, around 96. Forty is closer to a cup of black tea.
02
L-theaninePer piece
50mg
It occurs in tea, and in one mushroom — the bay bolete. Essentially nowhere else in food. A cup of gyokuro holds 40 to 60mg.Identified 1949 · isolated from gyokuro 1950
03
NiacinVitamin B3
B3
A factor in energy metabolism.Centre for Food Safety · acceptable nutrient function claim
04
CobalaminVitamin B12
B12
Aids in red blood cell formation.Centre for Food Safety · acceptable nutrient function claim

Arctic Mint doesn't cool anything.

Menthol binds TRPM8, the ion channel that fires when it detects low temperature. The nerve reports cold that isn't happening. The sensation is real; the temperature never moves.TRPM8 literature · Nature Communications, 2020

FAQ

Questions.

What is in it?

40mg natural caffeine, 50mg L-theanine, Vitamin B3 and B12 per piece.

How much caffeine?

40mg a piece. Two pieces is 80mg.

Is there sugar?

No. ARIO is sugar-free.

How many calories?

3 per piece.

What do I get for HK$149?

A bulk pack: five starter packs of eight pieces, 40 pieces and 80g net. That is HK$3.73 a piece.

How many pieces are in a starter pack?

Eight, 16g net.

How should I chew it?

One piece at a time, thoroughly, for 5 to 10 minutes.

How many can I have in a day?

Up to 8 pieces a day.

Who should avoid it?

Children, pregnant women, and anyone sensitive to caffeine.

Where is it made?

Dalian, China.

When can I order?

Join the waitlist. We will email you the day orders open.

Can I return it?

Unopened packs, within 14 days.

Ingredients: sorbitol, gum base, xylitol, maltitol syrup, guarana extract (caffeine), L-theanine, gum arabic, calcium carbonate, sunflower lecithin, natural flavors, sucralose, vitamin B3, vitamin B12, carnauba wax.

Not for children, pregnant women, or anyone sensitive to caffeine. Do not swallow.

The box

Four in the drawer.One with you.

Five packs, forty pieces. One lives in your bag and the rest wait in a drawer.

ARIO Energy pack
ARIO Energy, box of five packs, 40 pieces
↗ Notify meHKD 149 · Box of five · 80g
ARIO Energy pack
ARIO Energy, box of five packs, 40 pieces
The box

Four in the drawer.
One with you.

Forty pieces of Arctic Mint. Five packs in the box — keep it where you work, and carry one.

The first four hundred boxes carry a founding code: fifteen percent, once. When they are gone the price is the price.

↗ Notify meHong Kong · launching soon